What Terminal Is Frontier In Las Vegas:- At McCarran International Airport in Las Vegas, Terminal 1 is where Frontier Airlines is based. The airport's main terminal, Terminal 1, functions as a hub for various airlines. There are several amenities available, including as check-in desks, security checkpoints, and a selection of restaurants and shopping establishments. The terminal's efficient layout and adequate signs make it easy for travellers to get about. Travellers can use the free Wi-Fi, charging stations, and comfy chairs in Terminal 1. Frontier Airlines operates from gates inside Terminal 1, providing seamless and comfortable travel to a variety of domestic and international destinations.